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Coin Specifications

How much does a dime weigh? What are pennies made of? Find out in the table below, which gives specifications for U.S. Mint legal tender coins presently in production for annual sets. Specifications for the American Innovation $1 Coins and Native American $1 Coins are the same.

The penny, dime, quarter, half dollar, and dollar are clad coins. Clad coins have an inner core of metal surrounded by an outer layer of a different metal. The Mint makes clad coins with an inner core of copper. The nickel is the only circulating coin that isn’t clad.

DenominationCentNickelDimeQuarterHalf DollarDollar
Composition

Copper Plated Zinc

2.5% Cu
Balance Zn

Cupro-Nickel

25% Ni
Balance Cu

Cupro-Nickel

8.33% Ni
Balance Cu

Cupro-Nickel

8.33% Ni
Balance Cu

Cupro-Nickel

8.33% Ni
Balance Cu

Manganese-Brass

88.5% Cu
6% Zn
3.5% Mn
2% Ni

Weight2.500 g5.000 g2.268 g5.670 g11.340 g8.1 g
Diameter0.750 in.
19.05 mm
0.835 in.
21.21 mm
0.705 in.
17.91 mm
0.955 in.
24.26 mm
1.205 in.
30.61 mm
1.043 in.
26.49 mm
Thickness1.52 mm1.95 mm1.35 mm1.75 mm2.15 mm2.00 mm
EdgePlainPlainReededReededReededEdge-Lettering
No. of ReedsN/AN/A118119150N/A
Content last updated on October 02, 2024